*DECK DDAWS DOUBLE PRECISION FUNCTION DDAWS (X) C***BEGIN PROLOGUE DDAWS C***PURPOSE Compute Dawson's function. C***LIBRARY SLATEC (FNLIB) C***CATEGORY C8C C***TYPE DOUBLE PRECISION (DAWS-S, DDAWS-D) C***KEYWORDS DAWSON'S FUNCTION, FNLIB, SPECIAL FUNCTIONS C***AUTHOR Fullerton, W., (LANL) C***DESCRIPTION C C DDAWS(X) calculates the double precision Dawson's integral C for double precision argument X. C C Series for DAW on the interval 0. to 1.00000E+00 C with weighted error 8.95E-32 C log weighted error 31.05 C significant figures required 30.41 C decimal places required 31.71 C C Series for DAW2 on the interval 0. to 1.60000E+01 C with weighted error 1.61E-32 C log weighted error 31.79 C significant figures required 31.40 C decimal places required 32.62 C C Series for DAWA on the interval 0. to 6.25000E-02 C with weighted error 1.97E-32 C log weighted error 31.71 C significant figures required 29.79 C decimal places required 32.64 C C***REFERENCES (NONE) C***ROUTINES CALLED D1MACH, DCSEVL, INITDS, XERMSG C***REVISION HISTORY (YYMMDD) C 780401 DATE WRITTEN C 890531 Changed all specific intrinsics to generic. (WRB) C 890531 REVISION DATE from Version 3.2 C 891214 Prologue converted to Version 4.0 format. (BAB) C 900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ) C 920618 Removed space from variable names. (RWC, WRB) C***END PROLOGUE DDAWS